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Ahat [919]
3 years ago
11

Determine whether the following relation is a function. {(-6, – 8), (5, 1). (9.-4), (7,2), (15, 0)} ​

Mathematics
1 answer:
lidiya [134]3 years ago
4 0

This relation is a function. None of the x-values repeat. Each y-value belongs to a specific x-value.

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Find the radius of a circle with circumference of 45.84 meters. Use 3.14
alukav5142 [94]

Answer:

3.8 meters

Step-by-step explanation:

In order to find the circumference for a circle, we use the formula π(radius)²

The circumference give is 45.84 and the π given is 3.14

All we have to do is to just substitute them.

45.84 = 3.14(radius)²

45.84 / 3.14 = radius²

14.6 = radius²

radius = √14.6

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5 0
3 years ago
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Evaluate the expression for the given values of the variables.
vfiekz [6]

Answer:

A

Step-by-step explanation:

Substitute the given values into the expression

2a² + cb

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= 2(25) + 33

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= 83 → A

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2 years ago
In a random sample of students at a middle school 24 wanted to change the mascot and 30 wanted to keep the current mascot which
Yakvenalex [24]
30/54 =x/1,140
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ANSWER:
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7 0
3 years ago
The sprit club is making school jackets to sell. The cost c (in dollars) for silkscreening supplies and jackets is c=20x+270, wh
lys-0071 [83]

Answer:

The club must sell 18 jackets to break even

Step-by-step explanation:

Given:

C = 20x + 270

Where,

x = number of jackets

Equation for revenue R in terms of the number of jackets

Revenue = price × quantity

Price of the jacket = $35

Quantity of the jacket = x

Revenue = price × quantity

= 35 * x

R = 35x

Break even point is the point at which cost is equal to revenue, that is, no gain; no loss.

Cost = revenue

20x + 270 = 35x

270 = 35x - 20x

270 = 15x

x = 270 / 15

= 18

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The club must sell 18 jackets to break even

3 0
3 years ago
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A new car loses 18% of its value in a year. At a year old, it is worth
kirill115 [55]

Answer:

11,155

Step-by-step explanation:

5 0
3 years ago
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